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[rails.git] / db / migrate / 005_tile_tracepoints.rb
1 class TileTracepoints < ActiveRecord::Migration
2   def self.up
3     add_column "gps_points", "tile", :integer, :null => false, :unsigned => true
4     add_index "gps_points", ["tile"], :name => "points_tile_idx"
5     remove_index "gps_points", :name => "points_idx"
6
7     Tracepoint.update_all("tile = tile_for_point(latitude, longitude)")
8   end
9
10   def self.down
11     add_index "gps_points", ["latitude", "longitude"], :name => "points_idx"
12     remove_index "gps_points", :name => "points_tile_idx"
13     remove_column "gps_points", "tile"
14   end
15 end